参数资料
| 型号： | COP8CCR9LVA8 |
| 厂商： | National Semiconductor |
| 文件页数： | 30/111页 |
| 文件大小： | 0K |
| 描述： | IC MCU EEPROM 8BIT 68-PLCC |
| 标准包装： | 18 |
| 系列： | COP8™ 8C |
| 核心处理器： | COP8 |
| 芯体尺寸： | 8-位 |
| 速度： | 20MHz |
| 连通性： | Microwire/Plus（SPI），UART/USART |
| 外围设备： | 欠压检测/复位，POR，PWM，WDT |
| 输入/输出数： | 59 |
| 程序存储器容量： | 32KB（32K x 8） |
| 程序存储器类型： | 闪存 |
| RAM 容量： | 1K x 8 |
| 电压 - 电源 (Vcc/Vdd)： | 2.7 V ~ 5.5 V |
| 数据转换器： | A/D 16x10b |
| 振荡器型： | 内部 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 68-LCC（J 形引线） |
| 包装： | 管件 |
| 其它名称： | *COP8CCR9LVA8 |
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SNOS535I – OCTOBER 2000 – REVISED MARCH 2013
Bit 2
= 1
WATCHDOG feature disabled. G1 is a general purpose I/O.
= 0
WATCHDOG feature enabled. G1 pin is WATCHDOG output with weak pullup.
Bit 1
= 1
HALT mode disabled.
= 0
HALT mode enabled.
Bit 0
= 1
Execution following RESET will be from Flash Memory.
= 0
Flash Memory is erased. Execution following RESET will be from Boot ROM with the
MICROWIRE/PLUS ISP routines.
The COP8 assembler defines a special ROM section type, CONF, into which the Option Register data
may be coded. The Option Register is programmed automatically by programmers that are certified by TI.
The user needs to ensure that the FLEX bit will be set when the device is programmed.
The following examples illustrate the declaration of the Option Register.
Syntax:
[label:].sect
config, conf
.db
value
;1 byte,
;configures
;options
.endsect
Example: The following sets a value in the Option Register and User Identification for a COP8CBR9HVA7.
The Option Register bit values shown select options: Security disabled, WATCHDOG enabled HALT
mode enabled and execution will commence from Flash Memory.
.chip
8CBR
.sect
option, conf
.db
0x01
;wd, halt, flex
.endsect
...
.end
start
Note: All programmers certified for programming this family of parts will support programming of the
Option Register. Please contact TI or your device programmer supplier for more information.
5.6
SECURITY
The device has a security feature which, when enabled, prevents external reading of the Flash program
memory. The security bit in the Option Register determines, whether security is enabled or disabled. If the
security feature is disabled, the contents of the internal Flash Memory may be read by external
programmers or by the built in MICROWIRE/PLUS serial interface ISP. Security must be enforced by
the user when the contents of the Flash Memory are accessed via the user ISP or Virtual EEPROM
capability.
If the security feature is enabled, then any attempt to externally read the contents of the Flash Memory will
result in the value FF (hex) being read from all program locations (except the Option Register). In addition,
with the security feature enabled, the write operation to the Flash program memory and Option Register is
inhibited. Page Erases are also inhibited when the security feature is enabled. The Option Register is
readable regardless of the state of the security bit by accessing location FFFF (hex). Mass Erase
Operations are possible regardless of the state of the security bit.
The security bit can be erased only by a Mass Erase of the entire contents of the Flash unless Flash
operation is under the control of User ISP functions.
Copyright 2000–2013, Texas Instruments Incorporated
Functional Description
25
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| COP8CDE9 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:8-Bit CMOS Flash Microcontroller with 8k Memory, Virtual EEPROM, 10-Bit A/D and Brownout Reset |
| COP8CDE9HLQ7 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:8-Bit CMOS Flash Microcontroller with 8k Memory, Virtual EEPROM, 10-Bit A/D and Brownout Reset |
| COP8CDE9HLQ9 | 功能描述:IC MCU FLASH 8BIT 8K A/D 44LLP RoHS:是 类别:集成电路 (IC) >> 嵌入式 - 微控制器， 系列:COP8™ 8C 标准包装:250 系列:56F8xxx 核心处理器:56800E 芯体尺寸:16-位 速度:60MHz 连通性:CAN，SCI，SPI 外围设备:POR，PWM，温度传感器，WDT 输入/输出数:21 程序存储器容量:40KB（20K x 16） 程序存储器类型:闪存 EEPROM 大小:- RAM 容量:6K x 16 电压 - 电源 (Vcc/Vdd):2.25 V ~ 3.6 V 数据转换器:A/D 6x12b 振荡器型:内部 工作温度:-40°C ~ 125°C 封装/外壳:48-LQFP 包装:托盘 配用:MC56F8323EVME-ND - BOARD EVALUATION MC56F8323 |
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| COP8CDE9HVA9 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:8-Bit CMOS Flash Microcontroller with 8k Memory, Virtual EEPROM, 10-Bit A/D and Brownout Reset |
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